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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-210.713027
Energy at 298.15K-210.720300
HF Energy-209.994341
Nuclear repulsion energy153.451392
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3146 2996 27.12      
2 A' 3082 2935 24.95      
3 A' 3075 2928 0.14      
4 A' 3063 2917 19.50      
5 A' 2348 2236 1.59      
6 A' 1559 1484 6.11      
7 A' 1545 1471 1.48      
8 A' 1529 1456 2.70      
9 A' 1470 1400 2.67      
10 A' 1438 1370 1.82      
11 A' 1341 1277 1.31      
12 A' 1148 1094 2.55      
13 A' 1088 1036 0.02      
14 A' 978 932 2.57      
15 A' 901 858 2.01      
16 A' 523 498 0.85      
17 A' 352 335 0.08      
18 A' 165 157 6.30      
19 A" 3142 2992 52.11      
20 A" 3126 2977 0.20      
21 A" 3109 2961 0.03      
22 A" 1549 1475 7.99      
23 A" 1360 1295 0.03      
24 A" 1297 1235 0.04      
25 A" 1163 1108 0.10      
26 A" 900 857 0.13      
27 A" 760 724 3.19      
28 A" 373 355 0.63      
29 A" 248 237 0.00      
30 A" 100 95 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 22939.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 21845.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G*
ABC
0.79285 0.07477 0.07104

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.626 0.345 0.000
C2 -1.466 0.482 0.000
C3 0.000 0.636 0.000
C4 0.730 -0.717 0.000
C5 2.248 -0.535 0.000
H6 0.285 1.224 0.883
H7 0.285 1.224 -0.883
H8 0.417 -1.293 0.881
H9 0.417 -1.293 -0.881
H10 2.757 -1.506 0.000
H11 2.579 0.019 0.888
H12 2.579 0.019 -0.888

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16792.64233.51974.95263.16653.16653.56623.56625.69245.29055.2905
C21.16791.47442.50193.85072.09682.09682.73352.73354.66784.16754.1675
C32.64231.47441.53722.53451.09811.09812.16112.16113.49132.79662.7966
C43.51972.50191.53721.52902.17822.17821.09791.09792.17552.17972.1797
C54.95263.85072.53451.52902.77962.77962.16842.16841.09641.09771.0977
H63.16652.09681.09812.17822.77961.76522.52043.07613.78732.59153.1385
H73.16652.09681.09812.17822.77961.76523.07612.52043.78733.13852.5915
H83.56622.73352.16111.09792.16842.52043.07611.76172.50942.52923.0862
H93.56622.73352.16111.09792.16843.07612.52041.76172.50943.08622.5292
H105.69244.66783.49132.17551.09643.78733.78732.50942.50941.77361.7736
H115.29054.16752.79662.17971.09772.59153.13852.52923.08621.77361.7755
H125.29054.16752.79662.17971.09773.13852.59153.08622.52921.77361.7755

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.258 C2 C3 C4 112.331
C2 C3 H6 108.300 C2 C3 H7 108.300
C3 C4 C5 111.497 C3 C4 H8 109.058
C3 C4 H9 109.058 C4 C3 H6 110.379
C4 C3 H7 110.379 C4 C5 H10 110.841
C4 C5 H11 111.093 C4 C5 H12 111.093
C5 C4 H8 110.195 C5 C4 H9 110.195
H6 C3 H7 106.972 H8 C4 H9 106.710
H10 C5 H11 107.865 H10 C5 H12 107.865
H11 C5 H12 107.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability